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Authors’ prototype of the speed monitoring system

DC Motor RPM Display On Smartphone Using Arduino

This project presents an Arduino based speed monitoring system where the RPM (revolutions per minute) of a DC motor is continuously displayed on a...
Android Application For Multi-Sensor Data Monitoring

Android Application For Multi-Sensor Data Monitoring

This Android-based project can monitor on-site (field) process data sensed by two temperature sensors and display the temperature (in degree centigrade) on a smartphone....

Component Defect Detection After Board Mounting

The fact that a component is mounted on a board does not necessarily reduce its ability to be imaged and checked with ultrasound. Here...
Smartphone Based Liquid Level Monitoring System

Smartphone Based Liquid Level Monitoring System

Measurement of liquid level in process tanks for monitoring and/or controlling is essential in process industries. In process plants, tanks contain various liquids that...
Authors’ prototype wired on breadboard

Simulink Model For Real-Time Logging Of Process Data In MATLAB Workspace

In this project, temperature data is logged in real time in MATLAB workspace by building a model using Arduino IO Library in Simulink. Process...

Dual Microphone Preamplifier For ADC, MCU And Arduino

Most microphones’ output signals are weak and cannot be directly connected to some other circuits. Also, some microphones require DC power supply or high...
universal AC/DC booster, audio amplifier and line driver

Build A Universal AC/DC Booster, Audio Amplifier Cum Line Driver

A universal AC/DC booster, audio amplifier and line driver can be used in sensor circuits, audio signal generators, electrical guitars and so on. Most...

Design Your Own Digital Photo Frame

This digital photo frame is designed using Arduino Uno. Smartphones with high-resolution cameras and enhanced features have motivated people to click photos of almost...
Circuit diagram for Three-Channel Audio Amplifier

Surround Yourself With Sound From Three-Channel Audio Amplifier

This article presents a simple, low-cost audio amplifier with three channels built around two TEA2025 ICs. The amplifier works from an AC or a...

Monitor Process And Graphical Trending Using MATLAB

This project deals with the implementation of a process monitoring system using Arduino and MATLAB graphical user interface (GUI). One of the major application...